Energy-saving and environment-friendly gas-collecting hood
By designing an energy-saving and environmentally friendly gas collecting hood including an air collecting hood body, a ventilation pipe, a dust collector and a gas absorption tower, the problem of exhaust gas being discharged without treatment is solved, and effective treatment of exhaust gas and pollution reduction is achieved.
Patent Information
- Application Number
- CN202420667817.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-02
AI Technical Summary
The waste gas is directly free to be discharged without any treatment, causing serious pollution to the working environment and the atmosphere, and leading to environmental and climate deterioration.
Design an energy-saving and environmentally friendly air collecting hood, including an air collecting hood body, a ventilation pipe, a dust collecting hood, a dust collecting fan, a gas absorption tower and a multi-layer spray structure. The exhaust gas enters the dust collector through the ventilation pipe, the dust falls through gravity, and other exhaust gases enter the gas absorption tower. The alkaline solution sprays to neutralize and dilute sulfur dioxide, and the qualified gas is discharged through the exhaust pipe.
Effectively prevent the exhaust gas from being discharged without treatment, reduce pollution to the working environment and the atmosphere, improve the efficiency of waste gas treatment, and reduce energy consumption.
Smart Images
Figure CN222642791U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas collecting hoods, and more specifically, particularly to an energy-saving and environment-friendly gas collecting hood. Background Art
[0002] The gas hood is a collection device for the pollution source of the flue gas purification system. It can introduce dust and gas pollution sources into the purification system, while preventing them from spreading to the production workshop and the atmosphere to cause pollution. Its performance has a direct impact on the technical and economic indicators of the purification system. Due to the different pollution source equipment structures and production operation processes, the forms of gas hoods are diverse.
[0003] At present, the domestic production of graphite electrodes, carbon enhancers and other carbon products mostly adopts the open 6m×6m×18m Acheson furnace. So far, during the graphitization process of the carbon material in the Acheson furnace, the impurities contained in it and the carbon insulation material used (sulfur as the main impurity) continue to volatilize during the high-temperature treatment process to form waste gas, which mainly includes dust and sulfur dioxide. Usually, these waste gases are directly released freely without any treatment, causing serious pollution to the working environment and the atmosphere, and seriously deteriorating the environment and climate. Therefore, the emission of waste gas in compliance with the standards has become the foundation and top priority of current enterprises. Utility Model Content
[0004] The present application provides an energy-saving and environmentally friendly gas collecting hood, which solves the problem that the exhaust gas is directly and freely released without any treatment, causing serious pollution to the working environment and the atmosphere, and seriously deteriorating the environment and climate.
[0005] The present application provides an energy-saving and environmentally friendly air collecting hood, comprising an air collecting hood body, a ventilation pipe is installed above the air collecting hood body, the upper end of the ventilation pipe is connected to a dust collector through a dust collecting pipe, a dust collecting fan is installed on the dust collector, the air outlet of the dust collecting fan is connected to an air outlet pipe, the air outlet pipe is connected to a gas absorption tower, and a multi-layer spray structure is installed in the gas absorption tower.
[0006] Preferably, a dust reduction pipe is installed at the lower end of the dust collector, and the dust reduction pipe is connected to a dust collecting box.
[0007] Preferably, the gas collecting hood body is composed of a hood surface, a support frame and a plurality of support rods.
[0008] Preferably, the cover surface is polyetherketone, polyimide or quartz glass.
[0009] Preferably, the spray structure is composed of a spray pipe and a spray head.
[0010] Preferably, a drain pipe is provided at the top of the spray tower.
[0011] Preferably, a waste liquid outlet pipe is provided at the bottom of the spray tower.
[0012] Preferably, a lighting device is installed in the gas collecting hood body.
[0013] It can be seen from the above technical scheme that the present application provides an energy-saving and environmentally friendly gas collection hood, including a gas collection hood body, and the exhaust gas generated is sucked into the dust collector by the dust collecting fan through the ventilation pipe on the gas collection hood body. The dust in the exhaust gas falls to the bottom of the dust collector due to gravity, and other exhaust gases enter the gas absorption tower along the exhaust pipe from the air outlet of the dust collecting fan for treatment. A multi-layer spray structure is arranged in the gas absorption tower, and an alkaline solution is sprayed to neutralize and dilute the sulfur dioxide exhaust gas. The treated gas is discharged through the exhaust pipe, and the spray The waste liquid generated after is discharged from the waste liquid outlet pipe for further treatment; the gas collecting hood body composed of the cover surface, the support frame and a plurality of support rods is covered above the graphitizing furnace, and the waste gas generated by the high temperature is blocked by the cover surface in the gas collecting hood body to prevent the waste gas from being directly released freely without any treatment, causing serious pollution to the working environment and the atmosphere. The cover surface is made of polyether ketone, polyimide or quartz glass, which has extremely high thermal stability and high temperature resistance, and also has good transparency. There is no need to enable lighting equipment during daytime production, so the energy consumption is low and the electricity resources are saved.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. The utility model is provided with an air collecting hood body, a dust collector and a gas absorption tower. The generated exhaust gas is sucked into the dust collector by the dust collecting fan through the ventilation pipe on the air collecting hood body. The dust in the exhaust gas falls to the bottom of the dust collector due to gravity, and other exhaust gas enters the gas absorption tower along the exhaust pipe from the air outlet of the dust collecting fan for treatment. A multi-layer spray structure is arranged in the gas absorption tower, and an alkaline solution is sprayed to neutralize and dilute the sulfur dioxide exhaust gas. The treated gas is discharged through the exhaust pipe to prevent air pollution.
[0016] 2. The utility model gas collecting hood body is composed of a hood surface, a support frame and a plurality of support rods. The gas collecting hood body is covered above the graphitization furnace. The exhaust gas generated by high temperature is blocked by the hood surface in the gas collecting hood body to prevent the exhaust gas from being directly released freely without any treatment, thereby causing serious pollution to the working environment and the atmosphere.
[0017] 3. The cover used in the utility model is made of polyether ketone, polyimide or quartz glass, which has extremely high thermal stability and high temperature resistance, and also has good transparency. There is no need to enable lighting equipment during daytime production, so the energy consumption is low and the electricity resources are saved.
[0018] In summary, an energy-saving and environmentally friendly gas collecting hood is provided, in which the gas collecting hood body is composed of a hood surface, a support frame and a plurality of support rods. The gas collecting hood body is covered above the graphitization furnace, and the exhaust gas generated by high temperature is blocked by the hood surface in the gas collecting hood body to prevent the exhaust gas from being directly released freely without any treatment, thereby causing serious pollution to the working environment and the atmosphere. A gas collecting hood body, a dust collector and a gas absorption tower are provided, and the exhaust gas generated is sucked into the dust collector by the dust collecting fan through the ventilation pipe on the gas collecting hood body, and the dust in the exhaust gas falls to the bottom of the dust collector due to gravity, and other exhaust gas enters the gas absorption tower from the exhaust port of the dust collecting fan along the exhaust pipe for treatment. A multi-layer spray structure is provided in the gas absorption tower, and an alkaline solution is sprayed to neutralize and dilute the sulfur dioxide exhaust gas, and the treated gas is discharged through an exhaust pipe to prevent atmospheric pollution. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without inventiveness.
[0020] Figure 1 A schematic diagram of the structure of an energy-saving and environmentally friendly gas collecting hood provided by the utility model;
[0021] Figure 2 A schematic diagram of the structure of the gas collecting hood body in an energy-saving and environmentally friendly gas collecting hood provided by the utility model;
[0022] Figure 3 The utility model provides an energy-saving and environment-friendly gas collecting hood, which is a top view of the cross-sectional structure.
[0023] The reference numerals in the specific implementation manner are as follows:
[0024] 1. Gas hood body; 2. Ventilation pipe; 3. Dust collector; 4. Dust collecting fan; 5. Dust collecting pipe; 6. Dust suppression pipe; 7. Air outlet; 8. Air outlet pipe; 9. Gas absorption tower; 10. Dust collecting box; 11. Hood surface; 12. Support frame; 13. Support rod; 14. Nozzle; 15. Nozzle; 16. Exhaust pipe; 17. Waste liquid outlet pipe; 18. Lighting equipment. DETAILED DESCRIPTION
[0025] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.
[0026] See also Figure 1-3, an energy-saving and environmentally friendly gas collecting hood. In order to solve the problem that the exhaust gas is directly released freely without any treatment, causing serious pollution to the working environment and the atmosphere, and seriously deteriorating the environment and climate, the present application proposes an energy-saving and environmentally friendly gas collecting hood to prevent the exhaust gas from being directly released freely without any treatment, causing serious pollution to the working environment and the atmosphere. A gas collecting hood body, a dust collector and a gas absorption tower are arranged, and the generated exhaust gas is sucked into the dust collector by the dust collecting fan through the ventilation pipe on the gas collecting hood body, and other exhaust gas enters the gas absorption tower along the exhaust pipe from the air outlet of the dust collecting fan for treatment, and the sulfur dioxide exhaust gas is neutralized and diluted by spraying alkaline solution, and the treated gas that meets the requirements is discharged through the exhaust pipe to prevent air pollution. Specifically, an energy-saving and environmentally friendly gas collecting hood includes a gas collecting hood body 1, which is composed of a cover surface 11, a support frame 12 and a plurality of support rods 13. The cover surface 11 is polyether ketone, polyimide or quartz glass. The gas collecting hood body 1 composed of the cover surface 11, the support frame 12 and the plurality of support rods 13 is covered above the graphitization furnace. The exhaust gas generated by high temperature is blocked by the cover surface 11 in the gas collecting hood body 1, so as to prevent the exhaust gas from being directly released freely without any treatment, thereby causing serious pollution to the working environment and the atmosphere. The cover surface 11 is made of polyether ketone, polyimide or quartz glass, has extremely high thermal stability and high temperature resistance, and also has good transparency. It is used in daytime production, has low energy consumption, and saves electricity resources.
[0027] A ventilation pipe 2 is installed above the air collecting hood body 1, and the upper end of the ventilation pipe 2 is connected to the dust collector 3 through the dust collecting pipe 5, and the lower end of the dust collector 3 is installed with a dust reduction pipe 6, and the dust reduction pipe 6 is connected to the dust collecting box 10. A dust collecting fan 4 is installed on the dust collector 3, and the air outlet 7 of the dust collecting fan 4 is connected to the air outlet pipe 8, and the air outlet pipe 8 is connected to the gas absorption tower 9. The generated exhaust gas passes through the ventilation pipe 2 on the air collecting hood body 1 and is sucked into the dust collector 3 by the dust collecting fan 4. The dust in the exhaust gas falls to the bottom of the dust collector 3 due to gravity, and enters the dust collecting box 10 through the dust reduction pipe 6 for collection and treatment. Other exhaust gases enter the gas absorption tower 9 from the air outlet 7 of the dust collecting fan 4 along the air outlet pipe for treatment;
[0028] A multi-layer spray structure is installed in the gas absorption tower 9. The spray structure is composed of a nozzle 14 and a nozzle 15. An exhaust pipe 16 is provided on the top of the gas absorption tower 9, and a waste liquid outlet pipe 17 is provided at the bottom of the gas absorption tower 9. The multiple nozzles 14 and nozzles 15 in the gas absorption tower 9 spray alkaline solution to neutralize and dilute the sulfur dioxide waste gas. The qualified gas is discharged through the exhaust pipe 16, and the waste liquid generated after spraying is discharged from the waste liquid outlet pipe 17 for further treatment; a lighting device 18 is installed in the gas collecting hood body 1. During production during the day, sunlight will pass through the cover made of polyether ketone, polyimide or quartz glass to provide sufficient light for the gas collecting hood body 1, and the lighting device 18 will be enabled during production at night. Therefore, there is no need to use the lighting device 18 day and night, saving electricity resources and low energy consumption.
[0029] It can be seen from the above technical scheme that an energy-saving and environmentally friendly gas collection hood includes a gas collection hood body 1, and the exhaust gas generated is sucked into the dust collector 3 by the dust collecting fan 4 through the ventilation pipe 2 on the gas collection hood body 1. The dust in the exhaust gas falls to the bottom of the dust collector 3 due to gravity, and other exhaust gases enter the gas absorption tower 9 from the outlet 7 of the dust collecting fan 4 along the outlet pipe for treatment. The gas absorption tower 9 is provided with a multi-layer spraying structure, and an alkaline solution is sprayed to neutralize and dilute the sulfur dioxide exhaust gas. The treated qualified gas is emptied through the exhaust pipe 16, and the exhaust gas generated after the spraying is discharged. The liquid is discharged from the waste liquid outlet pipe 17 for further treatment; the gas collecting hood body 1 composed of the cover surface 11, the support frame 12 and a plurality of support rods 13 is covered above the graphitizing furnace, and the waste gas generated by high temperature is blocked by the cover surface 11 in the gas collecting hood body 1 to prevent the waste gas from being directly released freely without any treatment, causing serious pollution to the working environment and the atmosphere. The cover surface 11 is made of polyether ketone, polyimide or quartz glass, has extremely high thermal stability and high temperature resistance, and also has good transparency. There is no need to enable lighting equipment 18 during daytime production, so the energy consumption is low and the electricity resources are saved.
[0030] Those skilled in the art will readily come up with other embodiments of the present invention after considering the specification and practicing the application disclosed herein. The present invention is intended to cover any variation, use or adaptation of the present invention, which follows the general principles of the present invention and includes common knowledge or customary technical means in the art disclosed by the present invention. The specification and examples are to be regarded as exemplary only, and the true scope of the present invention is indicated by the claims.
[0031] It should be understood that the present invention is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above-described embodiments of the present invention do not constitute a limitation on the scope of protection of the present invention.
Claims
1. An energy-saving and environmentally friendly gas collecting hood, characterized in that: The invention comprises an air collecting hood body (1), a ventilation pipe (2) is installed above the air collecting hood body (1), the upper end of the ventilation pipe (2) is connected to a dust collector (3) through a dust collecting pipe (5), a dust collecting fan (4) is installed on the dust collector (3), the air outlet (7) of the dust collecting fan (4) is connected to an air outlet pipe (8), the air outlet pipe (8) is connected to a gas absorption tower (9), and a multi-layer spray structure is installed in the gas absorption tower (9).
2. The energy-saving and environmentally friendly gas collecting hood according to claim 1, characterized in that: A dust removal pipe (6) is installed at the lower end of the dust collector (3), and the dust removal pipe (6) is connected to a dust collecting box (10).
3. The energy-saving and environmentally friendly gas collecting hood according to claim 1, characterized in that: The gas collecting hood body (1) is composed of a hood surface (11), a support frame (12) and a plurality of support rods (13).
4. The energy-saving and environmentally friendly gas collecting hood according to claim 3, characterized in that: The cover surface (11) is polyether ketone, polyimide or quartz glass.
5. The energy-saving and environmentally friendly gas collecting hood according to claim 1, characterized in that: The spray structure is composed of a spray pipe (14) and a spray head (15).
6. The energy-saving and environmentally friendly gas collecting hood according to claim 1, characterized in that: The top of the gas absorption tower (9) is provided with an exhaust pipe (16).
7. The energy-saving and environmentally friendly gas collecting hood according to claim 1, characterized in that: A waste liquid outlet pipe (17) is provided at the bottom of the gas absorption tower (9).
8. The energy-saving and environmentally friendly gas collecting hood according to claim 1, characterized in that: A lighting device (18) is installed in the gas collecting hood body (1).